Material: Ductile iron GGG40 Flange in acordance with ISO2531

Ring：Rubber EPDM

Stud： Electro Galvanised Steel

Coating： Rilson or FBE coating with 250 micrometers up Steel stud bar are carbon steel grade 4.8 zinc                           plated, Hot dip galvanize and SS304 or 316 are available upon request